EP0855948B1 - Abrasive article containing an inorganic metal orthophosphate - Google Patents
Abrasive article containing an inorganic metal orthophosphate Download PDFInfo
- Publication number
- EP0855948B1 EP0855948B1 EP96932185A EP96932185A EP0855948B1 EP 0855948 B1 EP0855948 B1 EP 0855948B1 EP 96932185 A EP96932185 A EP 96932185A EP 96932185 A EP96932185 A EP 96932185A EP 0855948 B1 EP0855948 B1 EP 0855948B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- abrasive
- binder
- abrasive article
- grinding
- particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
- B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
- B24D3/004—Flexible supporting members, e.g. paper, woven, plastic materials with special coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/001—Manufacture of flexible abrasive materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
- B24D11/04—Zonally-graded surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
- Y10T428/31946—Next to second aldehyde or ketone condensation product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
BPAS. a composition containing a diglycidyl ether of bisphenol A epoxy resin coatable from an organic solvent This composition, having the trade designation "EPON 828", was commercially obtained from Shell Chemical Co., Houston, TX.
SAMPLE | GRINDING AID IN SUPERSIZE | TOTAL CUT (g) |
Comp Ex. A | KBF4 | 138.9 |
Example 1 | K3PO4•7H2O | 99.9 |
SAMPLE | PERIPHERAL COATING | TOTAL CUT (g) | SPECIFIC ENERGY (Es) (Joules/mm3) |
Comp. Ex. B | None | 42 | 71.5 |
Comp. Ex C | Wax alone | 29,1 | 93.4 |
Comp. Ex. D | Wax/KBF4/PVC | 67 | 37.1 |
Example 2 | Wax/K3PO4 | 74.4 | 35.5 |
SAMPLE | GRINDING AID | TOTAL CUT (g) | SPECIFIC ENERGY (E,) (Joules/mm3) |
Comp Ex. E | KBF4 | 262.1 | 83.5 |
Ex. 3 | K3PO4 | 274.6 | 44.8 |
Ex 4 | K3PO4 | 308.0 | 45.9 |
SAMPLE | GRINDING AID | TOTAL CUT (g) | SPECIFIC ENERGY (Es) (Joules/mm3) |
Comp. Ex F | KBF4 | 240 | 86.3 |
Ex. 5 | K3PO4 | 250 | 83.5 |
Ex. 6 | K3PO4 | 227 | 56.8 |
EX.7 | Ba3(PO4)2 | 195 | 108.7 |
Ex. 8 | Na3PO4•H2O | 168 | 125.3 |
SAMPLE | GRINDING AID KBF4/K3PO4 | TOTAL CUT (g) | SPECIFIC ENERGY (Es) (Joules/mm3) |
Comp. Ex G | 100/0 | 298 | 109 |
Ex. 9 | 75/25 | 386 | 88 |
Ex. 10 | 50/50 | 284 | 75 |
Ex. 11 | 25/75 | 276 | 111 |
Ex. 12 | 0/1 00 | 384 | 56 |
Comp. Ex. H | None | 191 | 34 |
SAMPLE | GRINDING AID KBF4/K3PO4 | TOTAL CUT(g) | SPECIFIC ENERGY (Es) (Joules/mm3) |
Comp. Ex I | 100/0 | 162 | 123 |
Ex. 13 | 75/25 | 188 | 90 |
Ex. 14 | 0/100 | 270 | 66 |
Claims (10)
- An abrasive article comprising:(a) a plurality of abrasive particles.(b) at least one binder to which said plurality of abrasive particles are adhered, and(c) a peripheral surface, said peripheral surface containing an inorganic metal phosphate salt devoid of hydrogen selected from an alkali metal orthophosphate salt and an alkaline earth metal orthophosphate salt.
- The abrasive article according to claim 1, wherein the abrasive article comprises a substrate having a plurality of abrasive particles adherently bonded thereto by a binding material, and a peripheral coating layer comprising an inorganic metal phosphate salt as defined in claim 1.
- The abrasive article of claim 2, wherein said peripheral coating layer is selected from the group consisting of a size coat and a supersize coat.
- The abrasive article of claim 2, wherein said peripheral coating layer further comprises a binder.
- The abrasive article of claim 4, wherein said binder is selected from the group consisting of epoxy resins and acrylic resins.
- The abrasive article of claim 2, wherein said inorganic metal phosphate salt is selected from the group consisting of tripotassium orthophosphate, trisodium orthophosphate, and tribarium di(ortho)phosphate.
- An abrasive article according to claim 1 comprising a shaped mass having a peripheral surface, wherein said shaped mass comprises a plurality of abrasive particles and an inorganic phosphate salt adhered together by a thermosetting binder, said inorganic phosphate salt being as defined in claim 1.
- An erodible grinding aid agglomerate comprising a plurality of particles of an inorganic metal phosphate as defined in claim 1, and a binder that adheres said inorganic metal phosphate salt particles together.
- A method for making a coated abrasive article, comprising the steps of:(a) applying a first binder resin precursor to a substrate;(b) at least partially embedding a plurality of abrasive particles in said first binder resin precursor;(c) at least partially curing said first binder resin precursor;(d) applying a second binder resin precursor over said at least partially cured first binder resin precursor and said plurality of abrasive particles;(e) at least partially curing said second binder precursor resin precursor;(f) applying a third binder resin precursor and an inorganic metal phosphate salt devoid of hydrogen selected from an alkali metal orthophosphate and an alkaline earth metal orthophosphate; and(g) completely curing said first, second and third binder precursor resin precursors.
- A method of grinding a workpiece comprising titanium comprising:(a) providing an abrasive article according to claim 2 and a workpiece comprising titanium;(b) frictionally engaging said peripheral coating layer with a surface of said workpiece; and(c) moving at least one or said abrasive article and said workpiece relative to each effective to reduce the surface of said workpiece.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54587195A | 1995-10-20 | 1995-10-20 | |
US545871 | 1995-10-20 | ||
PCT/US1996/014391 WO1997014535A1 (en) | 1995-10-20 | 1996-09-06 | Abrasive article containing an inorganic metal orthophosphate |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0855948A1 EP0855948A1 (en) | 1998-08-05 |
EP0855948B1 true EP0855948B1 (en) | 2002-07-31 |
Family
ID=24177876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96932185A Expired - Lifetime EP0855948B1 (en) | 1995-10-20 | 1996-09-06 | Abrasive article containing an inorganic metal orthophosphate |
Country Status (6)
Country | Link |
---|---|
US (1) | US5961674A (en) |
EP (1) | EP0855948B1 (en) |
JP (1) | JPH11513620A (en) |
KR (1) | KR19990064304A (en) |
DE (1) | DE69622734T2 (en) |
WO (1) | WO1997014535A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8491681B2 (en) | 2007-09-24 | 2013-07-23 | Saint-Gobain Abrasives, Inc. | Abrasive products including active fillers |
Families Citing this family (108)
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US6039775A (en) * | 1997-11-03 | 2000-03-21 | 3M Innovative Properties Company | Abrasive article containing a grinding aid and method of making the same |
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-
1996
- 1996-09-06 EP EP96932185A patent/EP0855948B1/en not_active Expired - Lifetime
- 1996-09-06 DE DE69622734T patent/DE69622734T2/en not_active Expired - Fee Related
- 1996-09-06 JP JP9515812A patent/JPH11513620A/en active Pending
- 1996-09-06 WO PCT/US1996/014391 patent/WO1997014535A1/en active IP Right Grant
- 1996-09-06 KR KR1019980702799A patent/KR19990064304A/en not_active Application Discontinuation
-
1997
- 1997-10-02 US US08/942,731 patent/US5961674A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8491681B2 (en) | 2007-09-24 | 2013-07-23 | Saint-Gobain Abrasives, Inc. | Abrasive products including active fillers |
Also Published As
Publication number | Publication date |
---|---|
DE69622734D1 (en) | 2002-09-05 |
EP0855948A1 (en) | 1998-08-05 |
JPH11513620A (en) | 1999-11-24 |
US5961674A (en) | 1999-10-05 |
WO1997014535A1 (en) | 1997-04-24 |
KR19990064304A (en) | 1999-07-26 |
DE69622734T2 (en) | 2003-04-24 |
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